Comment 0 for bug 1874374

Here is the output of
cat /proc/bus/input/devices

I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U: Uniq=
H: Handlers=event0
B: PROP=0
B: EV=21
B: SW=1

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
U: Uniq=
H: Handlers=kbd event1
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
U: Uniq=
H: Handlers=kbd event2
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input3
U: Uniq=
H: Handlers=sysrq kbd event3 leds
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0003 Vendor=062a Product=4c01 Version=0110
N: Name="MOSART Semi. 2.4G Keyboard Mouse"
P: Phys=usb-0000:00:14.0-4/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.0/0003:062A:4C01.0001/input/input4
U: Uniq=
H: Handlers=sysrq kbd event4 leds
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input5
U: Uniq=
H: Handlers=kbd event5
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0

I: Bus=0003 Vendor=062a Product=4c01 Version=0110
N: Name="MOSART Semi. 2.4G Keyboard Mouse"
P: Phys=usb-0000:00:14.0-4/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.1/0003:062A:4C01.0002/input/input6
U: Uniq=
H: Handlers=mouse0 event6
B: PROP=0
B: EV=17
B: KEY=1f0000 0 0 0 0
B: REL=1943
B: MSC=10

I: Bus=0003 Vendor=062a Product=4c01 Version=0110
N: Name="MOSART Semi. 2.4G Keyboard Mouse Consumer Control"
P: Phys=usb-0000:00:14.0-4/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.1/0003:062A:4C01.0002/input/input7
U: Uniq=
H: Handlers=kbd event7
B: PROP=0
B: EV=1f
B: KEY=3f000301ff 0 0 483ffff17aff32d bfd4444600000000 1 130ff38b17c000 677bfad9415fed 19ed68000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=062a Product=4c01 Version=0110
N: Name="MOSART Semi. 2.4G Keyboard Mouse System Control"
P: Phys=usb-0000:00:14.0-4/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.1/0003:062A:4C01.0002/input/input8
U: Uniq=
H: Handlers=kbd event8
B: PROP=0
B: EV=13
B: KEY=c000 10000000000000 0
B: MSC=10

I: Bus=0003 Vendor=062a Product=4c01 Version=0110
N: Name="MOSART Semi. 2.4G Keyboard Mouse"
P: Phys=usb-0000:00:14.0-4/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-4/3-4:1.1/0003:062A:4C01.0002/input/input9
U: Uniq=
H: Handlers=event9
B: PROP=0
B: EV=9
B: ABS=10000000000

I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Ideapad extra buttons"
P: Phys=ideapad/input0
S: Sysfs=/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input10
U: Uniq=
H: Handlers=rfkill kbd event10
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

I: Bus=0003 Vendor=04f2 Product=b6d9 Version=2699
N: Name="Integrated Camera: Integrated C"
P: Phys=usb-0000:00:14.0-6/button
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-6/3-6:1.0/input/input11
U: Uniq=
H: Handlers=kbd event11
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input12
U: Uniq=
H: Handlers=event12
B: PROP=0
B: EV=21
B: SW=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input13
U: Uniq=
H: Handlers=event13
B: PROP=0
B: EV=21
B: SW=4

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input14
U: Uniq=
H: Handlers=event14
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=7"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input15
U: Uniq=
H: Handlers=event15
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=8"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input16
U: Uniq=
H: Handlers=event16
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=9"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input17
U: Uniq=
H: Handlers=event17
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=10"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input18
U: Uniq=
H: Handlers=event18
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=11"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input19
U: Uniq=
H: Handlers=event19
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=12"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input20
U: Uniq=
H: Handlers=event20
B: PROP=0
B: EV=21
B: SW=140

Output of xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ MOSART Semi. 2.4G Keyboard Mouse id=10 [slave pointer (2)]
⎜ ↳ MOSART Semi. 2.4G Keyboard Mouse Consumer Control id=11 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Power Button id=6 [slave keyboard (3)]
    ↳ Video Bus id=7 [slave keyboard (3)]
    ↳ Power Button id=8 [slave keyboard (3)]
    ↳ MOSART Semi. 2.4G Keyboard Mouse id=9 [slave keyboard (3)]
    ↳ MOSART Semi. 2.4G Keyboard Mouse System Control id=12 [slave keyboard (3)]
    ↳ Integrated Camera: Integrated C id=13 [slave keyboard (3)]
    ↳ Ideapad extra buttons id=14 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=15 [slave keyboard (3)]
    ↳ MOSART Semi. 2.4G Keyboard Mouse Consumer Control id=16 [slave keyboard (3)]
ihasdapie@ihasdapiexthink:~$

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-5.3.0-46-generic 5.3.0-46.38~18.04.1
ProcVersionSignature: Ubuntu 5.3.0-46.38~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
CurrentDesktop: KDE
Date: Wed Apr 22 21:11:40 2020
InstallationDate: Installed on 2020-04-23 (0 days ago)
InstallationMedia: Kubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
SourcePackage: linux-signed-hwe
UpgradeStatus: No upgrade log present (probably fresh install)